Finding the Fourth Proportional to 190,980,815,159.47, 263,554,344,286.26 and 104,175,276,586.99
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Solution
The fourth proportional to 190,980,815,159.47, 263,554,344,286.26 and 104,175,276,586.99 is: 143,762,328,633.89
Step by Step Solution
- Step 1: Write the proportion equation
190,980,815,159.47 : 263,554,344,286.26 = 104,175,276,586.99 : x - Step 2: Convert to fraction form
190,980,815,159.47/263,554,344,286.26 = 104,175,276,586.99/x - Step 3: Cross multiply
190,980,815,159.47x = 263,554,344,286.26 × 104,175,276,586.99 - Step 4: Simplify right side
190,980,815,159.47x = 27,455,846,711,723,923,865,600 - Step 5: Solve for x
x = 27,455,846,711,723,923,865,600/190,980,815,159.47 - Step 6: Final answer
x = 143,762,328,633.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.